Validation of sea ice concentration - European sector
Bulletin date: 2023-01-12
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-01-06:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58266 |
25134 |
4949 |
316 |
175 |
93 |
84 |
0 |
| OW |
71 |
552 |
233 |
268 |
92 |
23 |
17 |
0 |
| VODI |
0 |
306 |
180 |
340 |
222 |
54 |
78 |
0 |
| ODI |
0 |
171 |
114 |
165 |
227 |
114 |
65 |
0 |
| CDI |
0 |
121 |
113 |
227 |
375 |
250 |
100 |
0 |
| VCDI |
0 |
76 |
119 |
367 |
705 |
2685 |
10346 |
1307 |
|
...date precedes bulletin
|
Date: 2023-01-08:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63858 |
20758 |
3362 |
366 |
188 |
79 |
109 |
0 |
| OW |
72 |
566 |
278 |
207 |
148 |
27 |
19 |
0 |
| VODI |
0 |
290 |
251 |
287 |
252 |
113 |
63 |
0 |
| ODI |
0 |
121 |
148 |
220 |
178 |
94 |
95 |
0 |
| CDI |
0 |
82 |
100 |
323 |
332 |
177 |
111 |
0 |
| VCDI |
0 |
66 |
114 |
422 |
909 |
2479 |
8264 |
3572 |
|
...date precedes bulletin
|
Date: 2023-01-10:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55839 |
24935 |
7926 |
252 |
114 |
66 |
80 |
0 |
| OW |
61 |
375 |
401 |
224 |
55 |
25 |
20 |
0 |
| VODI |
0 |
212 |
319 |
436 |
168 |
55 |
17 |
0 |
| ODI |
0 |
72 |
111 |
265 |
343 |
60 |
19 |
0 |
| CDI |
0 |
46 |
84 |
252 |
346 |
207 |
116 |
0 |
| VCDI |
0 |
57 |
54 |
248 |
697 |
2651 |
8870 |
3022 |
|
...date precedes bulletin
|
Date: 2023-01-12:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56150 |
24951 |
7216 |
212 |
91 |
77 |
73 |
0 |
| OW |
65 |
548 |
375 |
159 |
75 |
23 |
40 |
0 |
| VODI |
1 |
330 |
281 |
344 |
162 |
60 |
25 |
0 |
| ODI |
0 |
99 |
129 |
284 |
248 |
72 |
27 |
0 |
| CDI |
0 |
58 |
69 |
198 |
273 |
222 |
111 |
0 |
| VCDI |
0 |
34 |
123 |
424 |
864 |
2720 |
10502 |
1385 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56152 |
24934 |
7235 |
239 |
89 |
75 |
82 |
0 |
| OW |
64 |
549 |
356 |
148 |
89 |
32 |
31 |
0 |
| VODI |
0 |
320 |
247 |
300 |
135 |
55 |
25 |
0 |
| ODI |
0 |
119 |
151 |
271 |
227 |
73 |
26 |
0 |
| CDI |
0 |
59 |
78 |
227 |
282 |
214 |
104 |
0 |
| VCDI |
0 |
39 |
126 |
436 |
891 |
2725 |
10510 |
1385 |
|
Date: 2023-01-14:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58145 |
22261 |
7008 |
428 |
81 |
70 |
49 |
0 |
| OW |
62 |
665 |
317 |
226 |
74 |
41 |
28 |
0 |
| VODI |
0 |
418 |
347 |
321 |
174 |
49 |
28 |
0 |
| ODI |
0 |
78 |
254 |
260 |
231 |
73 |
28 |
0 |
| CDI |
0 |
26 |
91 |
246 |
350 |
203 |
102 |
0 |
| VCDI |
0 |
12 |
128 |
418 |
1017 |
3029 |
10272 |
1490 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58142 |
22163 |
7013 |
450 |
93 |
79 |
63 |
0 |
| OW |
65 |
708 |
291 |
214 |
70 |
35 |
19 |
0 |
| VODI |
0 |
409 |
320 |
302 |
171 |
46 |
22 |
0 |
| ODI |
0 |
141 |
248 |
210 |
183 |
75 |
31 |
0 |
| CDI |
0 |
28 |
140 |
245 |
326 |
199 |
116 |
0 |
| VCDI |
0 |
11 |
133 |
478 |
1084 |
3031 |
10256 |
1490 |
|
Date: 2023-01-16:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
54778 |
26119 |
6516 |
331 |
79 |
18 |
26 |
0 |
| OW |
63 |
364 |
442 |
337 |
91 |
22 |
8 |
0 |
| VODI |
0 |
145 |
348 |
525 |
293 |
69 |
17 |
0 |
| ODI |
0 |
74 |
117 |
353 |
403 |
117 |
18 |
0 |
| CDI |
0 |
40 |
61 |
190 |
431 |
292 |
74 |
0 |
| VCDI |
0 |
31 |
60 |
285 |
1013 |
3557 |
9804 |
1589 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
54777 |
25967 |
6253 |
353 |
110 |
63 |
37 |
0 |
| OW |
64 |
333 |
394 |
207 |
109 |
43 |
29 |
0 |
| VODI |
0 |
249 |
451 |
364 |
201 |
74 |
31 |
0 |
| ODI |
0 |
98 |
171 |
295 |
256 |
76 |
34 |
0 |
| CDI |
0 |
61 |
124 |
241 |
284 |
181 |
125 |
0 |
| VCDI |
0 |
65 |
151 |
561 |
1350 |
3638 |
9691 |
1589 |
|
Date: 2023-01-18:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56619 |
24464 |
5995 |
549 |
64 |
38 |
26 |
0 |
| OW |
63 |
403 |
412 |
328 |
73 |
19 |
5 |
0 |
| VODI |
0 |
277 |
247 |
471 |
176 |
82 |
11 |
0 |
| ODI |
0 |
136 |
96 |
296 |
242 |
115 |
13 |
0 |
| CDI |
0 |
104 |
64 |
241 |
271 |
216 |
28 |
0 |
| VCDI |
0 |
45 |
135 |
391 |
1122 |
3261 |
9055 |
2947 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56619 |
24266 |
5880 |
555 |
94 |
87 |
44 |
0 |
| OW |
63 |
407 |
308 |
210 |
57 |
60 |
15 |
0 |
| VODI |
0 |
371 |
331 |
440 |
150 |
96 |
14 |
0 |
| ODI |
0 |
198 |
151 |
303 |
165 |
115 |
22 |
0 |
| CDI |
0 |
98 |
111 |
244 |
254 |
159 |
50 |
0 |
| VCDI |
0 |
89 |
168 |
524 |
1228 |
3214 |
8993 |
2947 |
|
Date: 2023-01-20:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55932 |
24947 |
6587 |
217 |
80 |
27 |
25 |
0 |
| OW |
74 |
567 |
261 |
221 |
61 |
23 |
11 |
0 |
| VODI |
0 |
391 |
201 |
381 |
174 |
56 |
12 |
0 |
| ODI |
0 |
161 |
90 |
284 |
202 |
110 |
17 |
0 |
| CDI |
0 |
96 |
65 |
265 |
241 |
189 |
33 |
0 |
| VCDI |
0 |
91 |
138 |
469 |
1004 |
2741 |
8362 |
4294 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55932 |
24670 |
6485 |
224 |
119 |
75 |
58 |
0 |
| OW |
74 |
576 |
207 |
150 |
70 |
53 |
9 |
0 |
| VODI |
0 |
528 |
294 |
321 |
174 |
59 |
9 |
0 |
| ODI |
0 |
252 |
121 |
265 |
154 |
85 |
17 |
0 |
| CDI |
0 |
131 |
95 |
291 |
185 |
174 |
82 |
0 |
| VCDI |
0 |
96 |
140 |
586 |
1060 |
2700 |
8285 |
4294 |
|
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